FR2222809A1 - - Google Patents

Info

Publication number
FR2222809A1
FR2222809A1 FR7409781A FR7409781A FR2222809A1 FR 2222809 A1 FR2222809 A1 FR 2222809A1 FR 7409781 A FR7409781 A FR 7409781A FR 7409781 A FR7409781 A FR 7409781A FR 2222809 A1 FR2222809 A1 FR 2222809A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7409781A
Other languages
French (fr)
Other versions
FR2222809B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of FR2222809A1 publication Critical patent/FR2222809A1/fr
Application granted granted Critical
Publication of FR2222809B1 publication Critical patent/FR2222809B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Complex Calculations (AREA)
FR7409781A 1973-03-19 1974-03-15 Expired FR2222809B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH387673A CH558993A (de) 1973-03-19 1973-03-19 Verfahren und einrichtung zur verschluesselten nachrichtenuebertragung.

Publications (2)

Publication Number Publication Date
FR2222809A1 true FR2222809A1 (enrdf_load_stackoverflow) 1974-10-18
FR2222809B1 FR2222809B1 (enrdf_load_stackoverflow) 1977-09-30

Family

ID=4265379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7409781A Expired FR2222809B1 (enrdf_load_stackoverflow) 1973-03-19 1974-03-15

Country Status (10)

Country Link
US (1) US3970790A (enrdf_load_stackoverflow)
JP (1) JPS5824983B2 (enrdf_load_stackoverflow)
CH (1) CH558993A (enrdf_load_stackoverflow)
DE (1) DE2321902C2 (enrdf_load_stackoverflow)
FR (1) FR2222809B1 (enrdf_load_stackoverflow)
GB (1) GB1458698A (enrdf_load_stackoverflow)
IL (1) IL44440A (enrdf_load_stackoverflow)
NL (1) NL7403484A (enrdf_load_stackoverflow)
SE (1) SE393724B (enrdf_load_stackoverflow)
ZA (1) ZA741739B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292386A1 (fr) * 1974-11-23 1976-06-18 Tekade Felten & Guilleaume Procede de voilement de la parole par echange dans le temps de sections de parole
WO1999000930A1 (en) * 1997-11-28 1999-01-07 Otkrytoe Aktsionernoe Obschestvo 'moskovskaya Goro Method for the cryptographic conversion of l-bit input blocks of digital data into l-bit output blocks

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH581412A5 (enrdf_load_stackoverflow) * 1975-02-26 1976-10-29 Patelhold Patentverwertung
JPS52153302A (en) * 1976-06-15 1977-12-20 Mitsubishi Electric Corp Privacy telephone set
US4087626A (en) * 1976-08-04 1978-05-02 Rca Corporation Scrambler and unscrambler for serial data
US4100374A (en) * 1977-04-11 1978-07-11 Bell Telephone Laboratories, Incorporated Uniform permutation privacy system
DE2834316A1 (de) * 1978-08-04 1980-02-28 Siemens Ag Anordnung zur durchfuehrung einer verschleierten uebertragung von informationen
US4352129A (en) * 1980-02-01 1982-09-28 Independent Broadcasting Authority Digital recording apparatus
US4443660A (en) * 1980-02-04 1984-04-17 Rockwell International Corporation System and method for encrypting a voice signal
US4388849A (en) * 1980-02-08 1983-06-21 Sony Corporation Signal processing system
DE3138023A1 (de) * 1981-09-24 1983-04-07 Robert Bosch Gmbh, 7000 Stuttgart Pulscodemodulationssystem
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4433211A (en) * 1981-11-04 1984-02-21 Technical Communications Corporation Privacy communication system employing time/frequency transformation
DE3207040A1 (de) * 1982-02-26 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Vefahren und anordnung zum uebertragen von zeichen
US4661980A (en) * 1982-06-25 1987-04-28 The United States Of America As Represented By The Secretary Of The Navy Intercept resistant data transmission system
US4551580A (en) * 1982-11-22 1985-11-05 At&T Bell Laboratories Time-frequency scrambler
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
US4594587A (en) * 1983-08-30 1986-06-10 Zenith Electronics Corporation Character oriented RAM mapping system and method therefor
GB2204975B (en) * 1987-05-19 1990-11-21 Gen Electric Co Plc Authenticator
CA1288182C (en) * 1987-06-02 1991-08-27 Mitsuhiro Azuma Secret speech equipment
DE3812665A1 (de) * 1988-04-15 1989-10-26 Siemens Ag Verfahren zur uebertragung von videosignalen
US4916435A (en) * 1988-05-10 1990-04-10 Guardian Technologies, Inc. Remote confinement monitoring station and system incorporating same
US5109384A (en) * 1988-11-02 1992-04-28 Tseung Lawrence C N Guaranteed reliable broadcast network
DE4016203A1 (de) * 1990-05-19 1991-11-21 Rolf Prof Dr Trautner Verfahren zur blockweisen chiffrierung von digitalen daten
GB2363949A (en) * 2000-06-19 2002-01-09 Martyn Gilbert Secure communication method
DE10138650A1 (de) 2001-08-07 2003-02-27 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verschlüsseln eines diskreten Signals sowie Verfahren und Vorrichtung zur Entschlüsselung
US20110064214A1 (en) * 2003-09-09 2011-03-17 Ternarylogic Llc Methods and Apparatus in Alternate Finite Field Based Coders and Decoders
US7930331B2 (en) * 2005-09-26 2011-04-19 Temarylogic Llc Encipherment of digital sequences by reversible transposition methods
US8577026B2 (en) 2010-12-29 2013-11-05 Ternarylogic Llc Methods and apparatus in alternate finite field based coders and decoders
US9350074B2 (en) * 2013-03-15 2016-05-24 Teqnovations, LLC Active, electronically scanned array antenna
US10665941B2 (en) 2013-03-15 2020-05-26 Teqnovations, LLC Active, electronically scanned array antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981113A (en) * 1933-03-03 1934-11-20 American Telephone & Telegraph Privacy system
CH237094A (de) * 1939-07-26 1945-03-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Übermittlung von geheimzuhaltenden Nachrichten.
FR1057922A (fr) * 1951-12-20 1954-03-11 Radio Electr Soc Fr Dispositif pour permuter l'ordre d'un groupe d'impulsions et application à une liaison multiplex secrète

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH232786A (de) * 1939-07-14 1944-06-15 Patelhold Patentverwertung Einrichtung zur geheimen Nachrichtenübermittlung.
CH212742A (de) * 1939-10-02 1940-12-15 Bbc Brown Boveri & Cie Verfahren und Einrichtung zur Übermittlung von Nachrichten.
US2401464A (en) * 1942-11-20 1946-06-04 American Telephone & Telegraph Privacy system
NL244086A (enrdf_load_stackoverflow) * 1958-12-10
FR1276733A (fr) * 1960-10-10 1961-11-24 Electronique & Automatisme Sa Dispositif de téléphonie confidentielle
US3731197A (en) * 1969-12-15 1973-05-01 Ritt Lab Inc Secrecy communication system
US3657699A (en) * 1970-06-30 1972-04-18 Ibm Multipath encoder-decoder arrangement
CH518658A (de) * 1970-07-07 1972-01-31 Patelhold Patentverwaltungs Un Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen
US3796830A (en) * 1971-11-02 1974-03-12 Ibm Recirculating block cipher cryptographic system
GB1353693A (en) * 1971-12-02 1974-05-22 Mullard Ltd Privacy transmission system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981113A (en) * 1933-03-03 1934-11-20 American Telephone & Telegraph Privacy system
CH237094A (de) * 1939-07-26 1945-03-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Übermittlung von geheimzuhaltenden Nachrichten.
FR1057922A (fr) * 1951-12-20 1954-03-11 Radio Electr Soc Fr Dispositif pour permuter l'ordre d'un groupe d'impulsions et application à une liaison multiplex secrète

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292386A1 (fr) * 1974-11-23 1976-06-18 Tekade Felten & Guilleaume Procede de voilement de la parole par echange dans le temps de sections de parole
WO1999000930A1 (en) * 1997-11-28 1999-01-07 Otkrytoe Aktsionernoe Obschestvo 'moskovskaya Goro Method for the cryptographic conversion of l-bit input blocks of digital data into l-bit output blocks
US7142673B1 (en) 1997-11-28 2006-11-28 Otkrytoye aktsionernoye obschestvo “Moskovskaya Gorodskaya Telefonnaya Set” Method for the cryptographic conversion of L-bit input blocks of digital data into L-bit output blocks

Also Published As

Publication number Publication date
NL7403484A (enrdf_load_stackoverflow) 1974-09-23
GB1458698A (en) 1976-12-15
US3970790A (en) 1976-07-20
FR2222809B1 (enrdf_load_stackoverflow) 1977-09-30
CH558993A (de) 1975-02-14
DE2321902A1 (de) 1974-09-26
SE393724B (sv) 1977-05-16
JPS5824983B2 (ja) 1983-05-24
IL44440A0 (en) 1974-06-30
IL44440A (en) 1976-09-30
JPS49128604A (enrdf_load_stackoverflow) 1974-12-10
DE2321902C2 (de) 1982-11-11
ZA741739B (en) 1975-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse